<template>
    <div class="middlerect">
        <h1>middle中的盒子</h1>
    </div>
</template>

<script>
    export default {
        name:'MiddleRect',
        data(){
            return{

            };
        },
        components:{},
    }
</script>

<style scoped>
    .middlerect{
        width: 50%;
        height: 50px;
        background-color: yellow;
    }
</style>